@charset "utf-8";
/* CSS Document */

.content {
	padding-bottom: 120px;
}

/*目录*/
.course_catalog {
	position: fixed;
	left: 0;
	right: 0;
	top: 0;
	bottom: 0;
	z-index: 1000;
	display: none;
}

.black_bg {
	position: absolute;
	left: 0;
	right: 0;
	top: 0;
	bottom: 0;
	background: rgba(0, 0, 0, 0.72);
	display: none;
}

.course_catalog_in {
	width: 466px;
	height: 490px;
	position: absolute;
	left: 50%;
	top: 50%;
	margin: -245px 0 0 -233px;
	background: #fff;
}

.cata_top {
	padding: 24px 0px;
}

.cata_top span {
	text-align: center;
	display: block;
	font-size: 20px;
}

i.close_course {
	width: 16px;
	height: 16px;
	background: url(../image/course/other_icon.png) no-repeat 0 -12px;
	position: absolute;
	right: 14px;
	top: 12px;
	cursor: pointer;
}

.cata_down {
	position: absolute;
	left: 0;
	right: 0;
	top: 80px;
	bottom: 28px;
	overflow: hidden;
}

.cate_list {
	padding: 0 28px;
}

.cate_list li a {
	display: block;
	padding: 14px 18px;
	border-top: 1px dashed #e5e5e5;
	font-size: 14px;
	color: #666;
}

.cate_list li a:hover {
	background: #f7f7f7;
}

.cate_list li a h1 {
	height: 20px;
	line-height: 20px;
	padding-left: 14px;
	border-left: 3px solid #d13c34;
	color: #333;
}

.cate_list li a h1 span {
	margin-right: 14px;
}

.cate_list li a.bH {
	padding-left: 0;
}

.main {
	width: 660px;
	margin: 0px auto;
}

.operation_btn {
	position: absolute;
	left: 50%;
	margin-left: 420px;
	top: 266px;
}

.operation_btn li a {
	width: 78px;
	height: 30px;
	line-height: 30px;
	margin-bottom: 12px;
	text-align: center;
	color: #808080;
	display: block;
	border: 1px solid #e6e6e6;
	border-radius: 4px;
	background: #fff;
	cursor: pointer;
}

.course_name {
	text-align: center;
}

.course_name h1 {
	font-size: 28px;
}

.course_name h2 {
	margin-top: 10px;
	font-size: 18px;
	color: #808080;
}

.main_top {
	position: relative;
	padding: 74px 0 62px 0;
	border-bottom: 1px solid #e6e6e6;
}

.language_btn span {
	position: absolute;
	right: 0;
	bottom: 11px;
	color: #a6a6a6;
}

.language_btn span a {
	margin: 0 4px 0 2px;
	font-size: 14px;
	color: #333;
}

.group {
	margin-top: 60px;
}

.course_title {
	margin-bottom: 30px;
	font-size: 18px;
	color: #a6a6a6;
}

.course_title h1 {
	font-size: 18px;
	font-weight: bold;
	color: #333;
	display: inline;
}

i.icon_laba {
	width: 14px;
	height: 12px;
	display: inline-block;
	*display: inline;
	*zoom: 1;
	vertical-align: top;
	background: url(../image/course/other_icon.png) no-repeat 0 0;
	cursor: pointer;
	display: none;
}

i.icon_laba:hover {
	background: url(../image/course/other_icon.png) no-repeat -14px 0;
}

/*-----短文类-----*/
.article audio {
	margin-bottom: 16px;
}

.article_box p {
	margin-top: 18px;
	line-height: 48px;
	font-size: 15px;
	color: #808080;
}

.article_box p:first-child {
	margin: 0;
}

.article_box p ruby {
	margin-right: 6px;
}

.article_box p ruby rt {
	font-size: 12px;
}

/*-----对话类-----*/
.talk_group {
	margin-bottom: 24px;
	font-size: 15px;
	color: #808080;
}

.talk_group h2 {
	margin-bottom: 10px;
}

.talk_group p {
	line-height: 48px;
}

/*-----单词-----*/
.word_group {
	margin-bottom: 22px;
}

.word_group_name {
	font-size: 15px;
	font-style: italic;
}

.word_table {
	margin-top: 10px;
	background: #fff;
	border-bottom: 1px solid #ebebeb;
	color: #808080;
}

.word_table table {
	width: 100%;
	font-size: 15px;
}

.word_table table td {
	border-top: 1px solid #ebebeb;
}

.word_table table td:first-child {
	padding-left: 18px;
}

.word_name span {
	color: #bdbdbd;
}

.word_mean {
	padding: 18px 0 18px 38px;
	border-left: 1px solid #ebebeb;
}

.word_mean li {
	margin-top: 8px;
}

.word_mean li:first-child {
	margin: 0;
}

.word_mean em {
	margin-left: 4px;
}

.word_mean i.icon_laba {
	margin: 5px 0px 0px 14px;
}

/*-----语法-----*/
.grammar_group {
	margin-top: 28px;
}

.grammar_box .grammar_group:first-child {
	margin: 0;
}

.grammar_group_name {
	font-size: 15px;
	font-style: italic;
}

.grammar_content {
	margin-top: 10px;
	color: #808080;
	font-size: 15px;
}

.grammar_content p {
	line-height: 30px;
	margin-top: 11px;
}

.grammar_content p:first-child {
	margin: 0;
}

.grammar_table {
	margin: 14px 0 20px 0;
}

.grammar_table table {
	width: 100%;
	border: 1px solid #d9d9d9;
	border-top: none;
	border-left: none;
	background: #fff;
	text-align: left;
}

.grammar_table table td,
.grammar_table table th {
	padding: 12px 16px;
	border-top: 1px solid #d9d9d9;
	border-left: 1px solid #d9d9d9;
}

.grammar_table table th {
	background: #f0f0f0;
}

.return_top {
	width: 32px;
	height: 32px;
	position: fixed;
	right: 32px;
	bottom: 26px;
	z-index: 100;
	background: #272727 url(../image/course/other_icon.png) no-repeat 0 -27px;
	border-radius: 3px;
	cursor: pointer;
	display: none;
}

.return_top:hover {
	background: #272727 url(../image/course/other_icon.png) no-repeat 0 -27px;
}


@media screen and (max-width:767px) and (min-width:320px) {
	.mobile_menu_title:before {
		content: '教程詳情';
		display: block;
	}

	.content {
		padding-bottom: 120px;
	}

	.book_name,
	.share_style {
		display: none;
	}

	.operation_btn {
		height: 42px;
		position: fixed;
		left: 0;
		right: 0;
		top: 50px;
		z-index: 1;
		margin: 0;
		background: #fff;
		border-bottom: 1px solid #d9d9d9;
	}

	.operation_btn li {
		width: 25%;
		float: left;
	}

	.operation_btn li a {
		width: auto;
		height: 42px;
		line-height: 42px;
		border: none;
		font-size: 14px;
		border-left: 1px solid #d9d9d9;
		border-radius: 0;
	}

	.operation_btn li:first-child a {
		border: none;
	}

	/*目录*/
	.close_course {
		display: none;
	}

	.course_catalog_in {
		width: 82%;
		height: auto;
		left: -100%;
		top: 0;
		bottom: 0;
		margin: 0;
	}

	.cate_list li a h1 {
		font-size: 16px;
	}

	.main {
		width: auto;
		padding: 0px 14px;
		overflow-x: hidden;
	}

	.main_top {
		padding-top: 104px;
	}

	.cata_top {
		padding: 14px 0px;
	}

	.cata_top span {
		font-size: 16px;
	}

	.cata_down {
		top: 39px;
	}

	.cate_list {
		padding: 14px;
	}

	.article,
	.talk_box,
	.word_box,
	.grammar_box {
		width: auto;
		padding: 0;
	}

	/*短文类*/
	.article audio {
		width: 100%;
		margin-bottom: 16px;
	}

	/*对话类*/
	.talk_box table td {
		display: block;
		padding: 0;
	}

	.talk_box table td:first-child {
		padding: 32px 0 0px 0;
	}

	/*单词*/
	.word_table table td {
		display: block;
	}

	.word_table table td:first-child {
		padding: 10px 0 10px 18px;
	}

	.word_mean {
		height: auto;
		padding-left: 18px;
		border-left: none;
	}

	.word_mean li {
		margin-top: 6px;
	}

	.return_top {
		right: 14px;
		bottom: 80px;
	}
}
